Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
02/1996
02/07/1996EP0695478A1 A phase lock loop with error consistency detector
02/07/1996CN1116474A Apparatus and method for enabling elements of a phase locked loop
02/07/1996CN1116473A Apparatus and method for operating a phase locked loop frequency synthesizer responsive to radio frequency channel spacing
02/07/1996CN1116466A Phase lock loop synchronization circuit and method
02/07/1996CN1116465A Phase locked loop error suppression circuit and method
02/07/1996CN1116386A Clock signal generating apparatus
02/07/1996CN1116340A Method and apparatus for providing synchronous data transmission between digital devices operating at frequencies P/Q integer ratio relationship
02/06/1996US5490182 Phase-locked loop circuit having ring oscillator
02/06/1996US5489903 Digital to analog conversion using non-uniform sample rates
02/06/1996US5489821 Lamp oscillator for atomic frequency standards
02/06/1996CA2076960C Frequency scaler for synchronous digital clock
02/06/1996CA1338042C Adaptive timing
01/1996
01/31/1996EP0695089A2 Digital signal processing apparatus
01/31/1996EP0695039A1 Fast action control system
01/31/1996EP0695038A1 Fast acting control system
01/31/1996CN1116021A Automatic frequency control apparatus
01/31/1996CN1116017A Fractional-N frequency synthesis with residual error correction
01/30/1996US5488641 Digital phase-locked loop circuit
01/30/1996US5488627 Spread spectrum clock generator and associated method
01/30/1996US5488332 Reversed phase-locked loop
01/30/1996CA2061194C Phase-locked loop synthesizer for use in tdm communications system
01/25/1996WO1996002086A1 A pro-capture circuit for phase locked loop circuits
01/24/1996CN1115553A PLL synthesizer radio paying receiver capable of reducing an average power consumption
01/24/1996CN1115522A Pll synthesizer and method of controlling the same
01/23/1996US5487186 In a communications receiver
01/23/1996US5487095 Edge detector
01/23/1996US5487093 Autoranging digital analog phase locked loop
01/23/1996US5487084 Generation of a clock frequency in a smart card interface
01/23/1996US5487027 Process and apparatus for providing an analog waveform synchronized with an input signal
01/23/1996US5486867 High resolution digital phase detector
01/23/1996US5486866 Oscillator free run frequency setting by data bus control
01/23/1996US5486792 Method and apparatus for calculating a divider in a digital phase lock loop
01/23/1996US5486783 Method and apparatus for providing clock de-skewing on an integrated circuit board
01/18/1996WO1996001524A1 Piezoelectric oscillator
01/17/1996EP0692908A2 Synchronizing circuit
01/17/1996EP0692890A1 Method and system for acquiring and maintaining phase synchronism between two digital signals
01/17/1996EP0692879A1 Ring oscillator with frequency control loop
01/17/1996EP0692878A2 Transmission system
01/17/1996CN1115137A Frequency detecting and controlling circuits of clockgenerator
01/16/1996US5485490 Method and circuitry for clock synchronization
01/16/1996US5485484 Digitally implemented phase and lock indicators for a bit synchronizer
01/16/1996US5485152 Analog to digital conversion using non-uniform sample rates
01/16/1996US5485127 Integrated dynamic power dissipation control system for very large scale integrated (VLSI) chips
01/16/1996US5485125 Phase-locked oscillator arrangement
01/16/1996US5485101 For measuring settling time of frequency changes in (vco) output signal
01/16/1996CA2074800C Local oscillating frequency synthesizer for use in a tdma system
01/11/1996WO1996001007A1 Digital phase comparator
01/11/1996WO1996001005A1 Digital phase locked loop
01/10/1996EP0691747A2 Circuit arrangement for a phase locked loop
01/10/1996EP0691746A1 Frequency synthesizer
01/10/1996EP0691745A1 Method and device for phase-shifting a signal
01/10/1996CN1114809A Clock reproduction circuit and elements used in the same
01/09/1996US5483559 Phase-locked loop device, oscillator, and signal processor
01/09/1996US5483558 Method and apparatus for detecting phase or frequency lock
01/09/1996US5483204 For supplying an output clock signal to a logic circuit
01/09/1996US5483203 Frequency synthesizer having modulation deviation correction via presteering stimulus
01/09/1996US5483202 Compensated phase locked loop for generating a controlled output clock signal
01/09/1996US5483201 Synchronization circuit using a high speed digital slip counter
01/09/1996US5483185 Clock switching circuit
01/09/1996US5483180 For restoring data signals distorted during transmission
01/04/1996WO1996000401A1 Electronic viewing aid
01/03/1996EP0690620A2 Data extracting apparatus
01/03/1996EP0690582A1 Phase-lock loop circuit with fuzzy control
01/03/1996EP0690581A2 Frequency control circuit of a clock generator
01/03/1996EP0690564A1 Method and apparatus for sensing common mode error
01/02/1996US5481697 An apparatus for providing a clock signal for a microprocessor at a selectable one of a plurality of frequencies and for dynamically switching between any of said plurality of frequencies
01/02/1996US5481574 Synchronization of multiple transmit/receive devices
01/02/1996US5481573 For an electronic system
01/02/1996US5481568 Data detecting apparatus using an over sampling and an interpolation means
01/02/1996US5481227 Oscillator, synthesizer tuner circuit and AM synchronous detect circuit employing the oscillator
01/02/1996CA2022350C Vertical phase adjust circuit
12/1995
12/28/1995WO1995035608A1 Apparatus and method for clock alignment and switching
12/27/1995EP0689315A1 Phase comparator
12/27/1995EP0689313A2 AFC for OFDM using windowing
12/27/1995EP0689294A1 Digital PLL circuit
12/27/1995EP0689288A2 Voltage controlled oscillator
12/27/1995EP0689287A2 Voltage controlled oscillator
12/27/1995EP0688446A1 Radio frequency telecommunications transceiver
12/27/1995CN1114089A Random pulse time delay locking direction
12/26/1995US5479458 Digital phase shifter including 1/N for phase detect and subsequent VCO adjust
12/26/1995US5479457 Method and apparatus for attenuating jitter in a digital transmission line
12/26/1995US5479456 Automatic false synchronization correction mechanism for biphase-modulated signal reception
12/26/1995US5479136 AFC circuit having local oscillator phase locked loop
12/26/1995US5479129 Variable propagation delay digital signal inverter
12/26/1995US5479126 Method and apparatus for programmable damping factor of a phase locked loop
12/26/1995US5479073 Dot clock generator for liquid crystal display device
12/21/1995WO1995034989A1 Horizontal picture compression in widescreen television receivers
12/21/1995WO1995034987A1 Synchronizing arrangement and method
12/20/1995EP0688103A1 Clock signal extraction apparatus
12/19/1995US5477198 Extendible-range voltage controlled oscillator
12/19/1995US5477196 Pulse generator
12/19/1995US5477194 Temperature compensated PLL frequency synthesizer and high-speed frequency lock method using the same
12/19/1995US5477193 Current source loop filter with automatic gain control
12/19/1995US5477182 Delay circuit for delaying differential signals includes separately controllable first and second load and clamp circuits for effecting different delay times
12/19/1995US5477181 Programmable multiphase clock divider
12/19/1995US5477177 Phase error processor circuit with a comparator input swapping technique
12/19/1995CA2051725C Phase lock loop circuit comprising a subsidiary loop filter
12/18/1995CA2150767A1 Clock recovery circuit with reduced jitter
12/14/1995WO1995034133A1 A method for controlling a phase-locked loop, and a phase-locked loop
12/14/1995WO1995034127A1 A three-state phase-detector/charge pump circuit with no dead-band region